This bikini is similar to the 1980's bikini. Both simple, and have high waisted bottoms with sides that rise up to the hip showing off more skin. You would also see an outfit like this with leggings and leg warmers to workout in. Bikinis in the 80's showed off more skin than any other decade.
In the fitness became a very important aspect in the lives of young women. Jane Fonda workout exercises were very popular, along with bodysuits and leggings with leg warmers. Fitness attire was very popular for active young women.